Gallup Black-on-white was named and described by Hawley (1934; 1936). Gallup Black-on-white is common in assemblages dating during most of the Pueblo II periods, and it is likely that forms assigned to this type were produced from middle tenth to middle twelfth century. Cibola white forms with widely spaced hachure from the Chaco Canyon area are commonly associated with Red Mesa Black-on-white, and thus early forms with widely spaced hachure are sometimes assigned to this type (Toll and McKenna 1987). Others have assigned hachured formswith widely spaced hachure to Gallup Black-on-white (Gilipin Hays and van Hartsveldt) and may reflect the continuation of widely more spaced hatching at late Pueblo II sites in areas of the Cibola regio...